65 ILCS 5/11-45.1-5
For the purpose of acquiring and constructing a cultural center as provided in this division, or for the equipping of any such cultural center, any municipality may borrow money and issue its negotiable bonds thereon, pledging the full faith and credit of the municipality. Such bonds shall bear interest at not to exceed the maximum rate authorized by the Bond Authorization Act, as amended at the time of the making of the contract, but no such bonds shall be issued unless the proposition to issue the bonds is first submitted to the electors of the municipality and approved by a majority of the electors voting thereon. The municipal clerk shall certify the proposition to the proper election authority who shall submit the proposition to a vote of the electors. The form of such proposition shall be in accordance with the provisions of Section 8-4-2 of this Code.
With respect to instruments for the payment of money issued under this Section either before, on, or after the effective date of this amendatory Act of 1989, it is and always has been the intention of the General Assembly (i) that the Omnibus Bond Acts are and always have been supplementary grants of power to issue instruments in accordance with the Omnibus Bond Acts, regardless of any provision of this Act that may appear to be or to have been more restrictive than those Acts, (ii) that the provisions of this Section are not a limitation on the supplementary authority granted by the Omnibus Bond Acts, and (iii) that instruments issued under this Section within the supplementary authority granted by the Omnibus Bond Acts are not invalid because of any provision of this Act that may appear to be or to have been more restrictive than those Acts.
65 ILCS 5/11-45.1-5